High-altitude wind turbine operation in the field of wind power bearing poor working conditions

 temperature, humidity, load changes, to withstand impact loads and overturning moment. Wind power bearings, requires the use of 20-year maintenance-free, thus requiring wind power bearing long life, high reliability. At present, the domestic wind power bearing volume use only two or three years, bearing life and reliability has not yet been tested. It can be said, for bearing manufacturers, for their manufacture bearing life and reliability of the heart has no bottom, the user is not assured. Especially gearbox bearings, a gear box production lines of business CEOs, said: "Bearing delivery can not guarantee that we very much hope that wind power gearbox bearings can domestically, so as not to be controlled by others, but until now, no one bearing enterprises able to produce their own gearbox bearing life and reliability of offerings to ensure that can meet the requirements. "Faced with this situation, we have to break the hard research, development and application of wind power bearing reliability design technology, manufacturing technology and reliability reliability test technology to powerful, compelling software and hardware, so that our own production of wind power bearing life and reliability of their own heart bottom, but also allows users to rest assured.
(Four) that we should aim at the world wind energy industry forefront of technological development, followed by wind power equipment trends, synchronous or advanced research and development of wind power Bearing manufacturer  With the blower unit capacity is increasing, from land to offshore wind farm development, wind turbine technology has been increasing. We can not wait for the launch of the new host, only to develop supporting bearings. To work with the wind turbine equipment manufacturing companies formed a strategic alliance with the host synchronous development, even ahead of the research supporting bearings. For some cutting-edge technologies, such as yaw, pitch bearing, some multinational underway to replace the cross roller slewing bearing Four point contact ball slewing bearing research and development work. Again, Japan NSK Bearings manufactured gearbox selection of its self-developed STF (Super-TF) steel and HTF (Hi-TF) steels. Both the residual austenite content of steel to the optimal design can alleviate the stress concentration caused by the indentation, so that the bearing in the gearbox lubrication conditions such as pollution, but also to achieve long life. Another example is the German Laobo anti-wind power company based on bearing lubrication and failure analysis of in-depth research, are being made to GE's entire lubrication program, etc., must be highly sensitive, rapid follow-up. In addition, wind power bearings are now universal bearing, part of which is to develop into a special bearing, this is a trend. We must individually designed well ahead of the research work.